CN216663957U

CN216663957U - Unmanned sweeper

Info

Publication number: CN216663957U
Application number: CN202220207502.1U
Authority: CN
Inventors: 陈强; 张磊
Original assignee: Fairyland Technology Wuhan Co Ltd
Current assignee: Fairyland Technology Wuhan Co Ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-06-03
Anticipated expiration: 2032-01-25

Abstract

The utility model relates to an unmanned sweeper, which comprises a frame, a steering unit, a driving unit, a sweeping unit, a detection unit and a main control board, wherein the steering unit is arranged on the frame; the steering unit is arranged on the front side of the frame; the driving unit is arranged at the rear side of the frame; the cleaning units are arranged in the middle and at the rear side of the frame; the detection unit comprises a vision camera, a laser radar and a collision detection strip; the four vision cameras are respectively arranged at the lower parts of the four sides of the frame and can respectively collect environment images of the four sides of the frame, and the laser radar is fixed at the top of the front side of the frame and can detect obstacles on the front side, the left side and the right side of the unmanned sweeper. The collision detection strip is arranged at the lower part of the periphery of the frame in a surrounding manner and can sense collision. The main control board can respectively control the steering unit, the driving unit and the cleaning unit to work. On the whole, the detection unit, the steering unit, the driving unit and the cleaning unit are cooperated with each other, so that the cleaning of the ground in a workshop can be well completed, the labor intensity is reduced, and the labor cost is saved.

Description

Unmanned sweeper

Technical Field

The utility model relates to the technical field of unmanned motor sweeper, in particular to an unmanned motor sweeper.

Background

In the context of the large national push to intelligent manufacturing, the manufacturing and management model of the factory is gradually trending towards automation, numeralization, and intelligence. For the logistics industry which develops vigorously in recent years, intelligent logistics has become a new development direction. In the logistics industry, environmental hygiene in the plant requires periodic cleaning. Usually, people drive a sweeper to clean the environment in a workshop. Although the cleaning efficiency can be greatly improved, the labor cost is high.

Therefore, how to clean the environment in the workshop with low labor cost becomes a technical problem to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model provides an unmanned sweeper, aiming at solving the problem of high labor cost required for sweeping the environment in a workshop.

The utility model provides an unmanned sweeper for achieving the purpose, which comprises a frame, a steering unit, a driving unit, a sweeping unit, a detection unit and a main control board;

the frame is of a square structure;

the steering unit is arranged on the front side of the frame;

the driving unit is arranged at the rear side of the frame;

the cleaning units are arranged in the middle and at the rear side of the frame;

the detection unit comprises a vision camera, a laser radar and a collision detection strip;

the four vision cameras are respectively arranged at the lower parts of the four sides of the frame;

the laser radar is fixed on the top of the front side of the frame;

the collision detection strip is arranged at the lower part of the periphery of the frame in a surrounding manner;

the main control board is arranged on the front side of the frame and is connected with the steering unit, the driving unit, the cleaning unit, the vision camera, the laser radar and the collision detection strip respectively.

In one particular embodiment, the frame includes a base plate;

the bottom plate is of a square structure, the tops of four sides are respectively fixed with a vision camera, and the front side is provided with a abdicating hole;

the steering unit comprises a steering motor, a rotating rod, a first driving wheel, a first driven wheel, a transmission plate, a front fork plate and a front wheel;

the axis of the steering motor is vertically arranged, the output shaft is arranged downwards, and the bottom end of the shell is fixedly connected with the top of the front side of the bottom plate through a support;

the axis of the rotating rod is vertically arranged, and the bottom end of the rotating rod penetrates through the abdicating hole to extend to the lower part of the bottom plate;

the first driving wheel is sleeved at the bottom end of an output shaft of the steering motor;

the first driven wheel is sleeved at the lower part of the rotating rod, and the outer wall of the first driven wheel is meshed and connected with the outer wall of the first driving wheel;

the transmission plate is arranged below the bottom plate, the plane where the transmission plate is arranged is parallel to the plane where the bottom plate is arranged, and the front side of the transmission plate is fixedly connected with the bottom end of the rotating rod;

the two front fork plates are vertical to the plane of the bottom plate, and the top ends of the front fork plates are fixedly connected with the left side and the right side of the transmission plate respectively;

two ends of the front wheel are respectively connected with the bottom ends of the two front fork plates in a rotating way.

In one embodiment, the driving unit comprises a rear axle mounting seat, a rear axle, a driving motor, a second driving wheel, a second driven wheel, a front chain wheel, a rear chain wheel and a chain;

the two rear axle mounting seats are arranged oppositely and are respectively and fixedly connected with the bottoms of the left side and the right side of the bottom plate;

two ends of the rear axle are respectively and rotatably connected with the two rear axle mounting seats;

the axis of the driving motor is parallel to the axis of the rear axle, and the shell is fixed at the bottom of the bottom plate;

the second driving wheel is sleeved on an output shaft of the driving motor;

the second driven wheel is sleeved in the middle of the rear axle, and the outer wall of the second driven wheel is meshed and connected with the outer wall of the second driving wheel;

the two front chain wheels are arranged oppositely, are respectively sleeved at the two ends of the rear axle and can rotate along with the rear axle;

the two rear wheels are arranged oppositely, are respectively connected with the bottoms of the left side and the right side of the bottom plate in a rotating way, and are positioned below the rear side of the rear axle;

the two rear chain wheels are arranged oppositely and are respectively fixed on the opposite sides of the two rear wheels; the rear chain wheels on the two sides are respectively in transmission connection with the front chain wheels on the corresponding sides through chains.

In one embodiment, the sweeping unit comprises a rotary disc, a first water storage tank, a first submersible pump, a water outlet pipe, a second water storage tank, a second submersible pump, a water suction nozzle and a water suction pipe;

the middle part of the rotary table is rotationally connected with the bottom of the middle part of the bottom plate, and the bottom is provided with a water spraying hole and a hairbrush;

the first water storage tank is fixed at the top of the rear side of the bottom plate;

the first submersible pump is fixed in the water storage tank, and the output end of the first submersible pump is communicated with the water spray hole through the water outlet pipe;

the second water storage tank is also fixed at the top of the rear side of the bottom plate;

the second submersible pump is fixed in the second water storage tank;

the water suction nozzle is fixed at the bottom of the rear side of the bottom plate and is communicated with the input end of the second submersible pump through a water suction pipe.

In one embodiment, the frame further comprises a first shield and a second shield;

the first protective cover is covered outside the steering motor, the rotating rod, the first driving wheel and the first driven wheel;

the second protective cover covers the outside of the first water storage tank, the water outlet pipe, the second water storage tank and the water suction pipe.

In one embodiment, the top of the front side of the second shield is lower than the top of the rear side by a predetermined height.

In one specific embodiment, the electric appliance cabinet is further comprised;

the electric appliance cabinet is hollow, the bottom of the electric appliance cabinet is fixed at the top of the front side of the bottom plate, the upper part of the front side is provided with a mounting hole, the lower part of the front side is provided with a light hole, the left side and the right side of the electric appliance cabinet are respectively provided with a heat dissipation hole, a main control plate is fixed inside the electric appliance cabinet, and the top of the electric appliance cabinet is fixed with a laser radar;

a display screen is fixed in the mounting hole and is connected with the main control board;

a vision camera is fixed in the light-transmitting hole.

The utility model has the beneficial effects that: the unmanned sweeper provided by the utility model is provided with the frame, and the frame can effectively support the steering unit, the driving unit, the sweeping unit, the detecting unit and the main control board. The steering unit can effectively control the advancing direction of the frame and the unmanned sweeping vehicle. The driving unit can provide power for the frame and the unmanned sweeper. The cleaning unit can clean the ground in the workshop in the process of advancing of the unmanned sweeper. The four vision cameras can respectively collect the environment images on the four sides of the frame and can respectively transmit the collected environment images to the main control board. The laser radar can detect the obstacles on the front side, the left side and the right side of the unmanned sweeper and can transmit the distance information of the obstacles to the main control board. The collision detection strip can sense collision and transmit the sensed collision condition to the main control panel. And, fix laser radar at the top of the front side of frame, enclose the lower part of locating the periphery of frame with collision detection strip, improved detection efficiency greatly. On the whole, vision camera, laser radar, collision detection strip, steering unit, drive unit and clean the unit and cooperate each other, can accomplish cleaning of ground in the workshop betterly, have reduced human labor, have saved the cost of labor.

Drawings

FIG. 1 is a schematic structural view of an embodiment of an unmanned sweeper vehicle of the present invention;

FIG. 2 is a schematic structural view of another embodiment of an unmanned sweeper truck of the present invention;

FIG. 3 is a schematic structural view of one embodiment of a steering unit in the unmanned sweeper shown in FIG. 2;

fig. 4 is a schematic structural view of an embodiment of a driving unit in the unmanned sweeping vehicle shown in fig. 2.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "top," "bottom," "inner," "outer," "axial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention or for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "secured," "engaged," "hinged," and the like are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1, 2, 3 and 4, as an embodiment of the present invention, an unmanned sweeping vehicle includes a frame 110, a steering unit 120, a driving unit 130, a sweeping unit 140, a detecting unit and a main control panel. The frame 110 has a square structure, the steering unit 120 is disposed at the front side of the frame 110, the driving unit 130 is disposed at the rear side of the frame 110, and the cleaning unit 140 is disposed at the middle and rear sides of the frame 110. The detection unit includes four vision cameras 151, four laser radars 152, and a collision detection bar 153, wherein the vision cameras 151 are respectively disposed at lower portions of four sides of the frame 110. Laser radar 152 is secured to the top of the front side of frame 110. The collision detection bar 153 is provided around the lower portion of the outer periphery of the vehicle frame 110. The main control panel is disposed at the front side of the frame 110, and is electrically connected to the steering unit 120, the driving unit 130, the cleaning unit 140, the vision camera 151, the laser radar 152, and the collision detection bar 153, respectively.

In this embodiment, the carriage 110 can effectively support the steering unit 120, the driving unit 130, the sweeping unit 140, the detecting unit, and the main control panel. The steering unit 120 provided at the front side of the frame 110 can effectively control the traveling direction of the frame 110 and the unmanned sweeping vehicle. The driving unit 130 provided at the rear side of the frame 110 can provide power for the travel of the frame 110 and the unmanned sweeping vehicle. The cleaning units 140 provided at the middle and rear sides of the frame 110 can clean the floor in the workshop while the unmanned sweeper is moving. The detection unit enables the unmanned sweeper to sense the surrounding environment when working, and can transmit the collected surrounding environment information to the main control board. The steering unit 120, the driving unit 130 and the sweeping unit 140 are controlled by the main control panel to operate. Specifically, the four vision cameras 151 can respectively capture the environment images of the four sides of the frame 110, and can respectively transmit the captured environment images to the main control board. Here, the visual camera 151 is a CCD camera or a CMOS camera. The laser radar 152 can detect obstacles on the front side, the left side, and the right side of the unmanned sweeper, and can transmit distance information of the obstacles to the main control board. Here, the laser radar 152 can emit an extremely short light pulse. When the light meets an obstacle, reflected light is generated. The distance to the obstacle can be calculated from the time it takes for the laser radar 152 to emit a light pulse until the reflected light is received. A uniform rotation mirror is provided in the laser radar 152 to turn the optical pulse so that the optical pulse can be dispersed in a sector area of 270 ° formed on the front side and the left and right sides. The collision detection strip 153 can sense a collision and transmit the sensed collision condition to the main control panel. Here, the collision detection strip 153 has a long hollow structure, and a casing made of polyethylene is provided inside the collision detection strip, and a pressure sensor is provided inside the casing. In the event of a collision, the housing of the collision detection strip 153 is deformed, so that the internal pressure of the collision detection strip 153 is increased. The pressure sensor is capable of detecting a change in pressure. Moreover, the laser radar 152 is fixed on the top of the front side of the vehicle frame 110, and the collision detection strip 153 is arranged around the lower part of the periphery of the vehicle frame 110, so that the detection efficiency is greatly improved. On the whole, the vision camera 151, the laser radar 152, the collision detection strip 153, the steering unit 120, the driving unit 130 and the cleaning unit 140 cooperate with one another, so that the cleaning of the ground in a workshop can be well completed, the manpower labor is reduced, and the labor cost is saved.

Referring to fig. 2 and 3, in an embodiment of the present invention, the carriage 110 includes a base plate 111, and the base plate 111 has a square structure, which can effectively support a shield, an electric cabinet 160, a steering unit 120, a driving unit 130, a cleaning unit 140, a vision camera 151, a laser radar 152, and a collision detection bar 153. Specifically, a vision camera 151 is fixed to the top of each of the four sides of the bottom plate 111, and a hole for abdicating is formed in the front side. The collision detection strip 153 is two layers, an upper layer collision detection strip and a lower layer collision detection strip. The upper layer collision detection strip and the lower layer collision detection strip are respectively arranged around the periphery of the bottom plate 111. Thus, the detection sensitivity is effectively improved. The steering unit 120 includes a steering motor 121, a rotating lever 122, a first driving wheel, a first driven wheel 123, a driving plate 124, a front fork plate 125, and a front wheel 126. Wherein, steering motor 121's axis sets up vertically, and the output shaft sets up downwards, and the bottom of casing passes through the top fixed connection of the front side of support and bottom plate 111. Here, the steering motor 121 is electrically connected to the main control board, and the steering motor 121 is controlled by the main control board to operate. The whole bracket is of a structure like a Chinese character 'ji', and comprises a first fixing plate, a supporting plate and a second fixing plate. The backup pad is two, and a side is just to setting up, and the top is respectively with the relative both sides fixed connection of first fixed plate. The number of the second fixing plates is two, the planes of the second fixing plates are perpendicular to the plane of the support plate, and one side of each second fixing plate is fixedly connected with the bottom ends of the two support plates. The first fixing plate is fixedly connected to the bottom end of the housing of the steering motor 121. The two second fixing plates are respectively fixedly connected with the top end of the front side of the frame 110. The second fixing plate effectively improves the contact area when the bracket is connected with the bottom plate 111, thereby effectively improving the stability of the bracket connected with the bottom plate 111 and further effectively improving the stability of the position of the steering motor 121. The axis of the rotating rod 122 is vertically arranged, and the bottom end of the rotating rod passes through the abdicating hole on the bottom plate 111 and extends to the lower part of the bottom plate 111. The first driving wheel is sleeved at the bottom end of the output shaft of the steering motor 121, the first driven wheel 123 is sleeved at the lower part of the rotating rod 122, and the outer wall of the first driven wheel is meshed with the outer wall of the first driving wheel. The driving plate 124 is disposed under the bottom plate 111, and the plane of the driving plate is parallel to the plane of the bottom plate 111, and the top end of the front side is fixedly connected to the bottom end of the rotating rod 122. The number of the front fork plates 125 is two, the planes of the front fork plates are perpendicular to the plane of the bottom plate 111, and the top ends of the front fork plates are fixedly connected with the left side and the right side of the transmission plate 124 respectively. The two ends of the front wheel 126 are respectively connected with the bottom ends of the two front fork plates 125 in a rotating manner. Specifically, the main control board controls the steering motor 121 to operate. The steering motor 121 drives the first driving wheel to rotate, so as to drive the first driven wheel 123 and the rotating rod 122 to rotate, and further drive the transmission plate 124, the front fork plate 125 and the front wheel 126 to rotate, thereby completing the steering task. The steering unit 120 enables the unmanned sweeper to automatically complete steering, replaces the traditional manual steering mode, greatly improves the steering efficiency of the unmanned sweeper, and saves labor cost. Meanwhile, since the layout is simple, the manufacturing cost of the steering unit 120 is effectively reduced.

Referring to fig. 2 and 4, in an embodiment of the present invention, the driving unit 130 includes a rear axle mount 131, a rear axle 132, a driving motor 133, a second driving wheel, a second driven wheel, a front sprocket 134, a rear wheel 135, a rear sprocket 136, and a chain 137. Two rear axle mounting seats 131 are arranged oppositely and fixedly connected with the bottoms of the left side and the right side of the bottom plate 111 respectively. Rear axle mounts 131 are effective to support fixed rear axle 132. Specifically, the rear axle mounting seat 131 is connected with the bottom plate 111 in a threaded manner, so that the rear axle mounting seat 131 can be detached, replaced, installed and used conveniently. Two ends of the rear axle 132 are rotatably connected with the middle parts of the two rear axle mounting seats 131 through bearings respectively. The axis of the driving motor 133 is parallel to the axis of the rear axle 132, and the housing is fixed to the bottom of the base plate 111. It should be noted that the driving motor 133 is electrically connected to the main control board, and the main control board controls the driving motor 133 to operate. The second driving wheel is sleeved on the output shaft of the driving motor 133, the second driven wheel is sleeved in the middle of the rear axle 132, and the outer wall of the second driving wheel is meshed with the outer wall of the second driving wheel. The two front chain wheels 134 are oppositely arranged and respectively sleeved at two ends of the rear axle 132, so that the rear axle 132 can rotate later. Two rear wheels 135 are provided, one side of each rear wheel is arranged opposite to the other side of each rear wheel, the rear wheels are respectively connected with the bottoms of the left side and the right side of the bottom plate 111 through bearings in a rotating manner, and the two rear wheels are both positioned below the rear side of the rear axle 132. The two rear sprockets 136 are oppositely arranged and respectively fixed on the opposite sides of the two rear wheels 135. The rear chain wheels 136 on both sides are respectively in transmission connection with the front chain wheels 134 on the corresponding sides through chains 137. Specifically, the main control board controls the driving motor 133 to start working, and the driving motor 133 drives the second driving wheel to rotate, so as to drive the second driven wheel and the rear axle 132 to rotate, and further drive the front chain wheel 134, the chain 137, the rear chain wheel 136 and the rear wheel 135 to rotate, so as to complete the tasks of driving the bottom board 111 and the unmanned sweeping vehicle to travel. In addition, the drive unit 130 comprises a brake disc 139, a brake drum bracket and a brake pump 138. Two brake discs 139 are provided, one side of each brake disc is arranged opposite to the other side of each brake disc, and the two brake discs are respectively sleeved at two ends of the rear axle 132. The two brake drum supports are arranged oppositely and fixedly connected with the bottoms of the left side and the right side of the bottom plate 111 respectively. Two brake pumps 138 are fixed to the two brake drum supports, respectively, and can brake the brake disc 139 to brake the rear axle 132 and thus the rear wheel 135. It should be noted that the principle of brake pump 138 braking brake disc 139 is prior art and will not be described herein. The two brake pumps 138 are electrically connected to the main control board, and the main control board controls the brake pumps 138 to operate. The driving unit 130 enables the unmanned sweeper to automatically advance, replaces the traditional manual driving mode, greatly improves the advancing efficiency of the unmanned sweeper and saves labor cost. Meanwhile, since the layout is simple, the manufacturing cost of the driving unit 130 is effectively reduced.

In one embodiment of the present invention, the sweeping unit 140 includes a rotating disc, a first water storage tank, a first submersible pump, a water outlet pipe, a second water storage tank, a second submersible pump, a water suction nozzle, and a water suction pipe. The turntable is integrally arranged below the middle part of the bottom plate 111, and the middle part is rotatably connected with the bottom of the middle part of the bottom plate 111 through a rotating shaft. The bottom of the rotary disk is provided with a water spraying hole and a brush. The first water storage tank is fixed to the top of the rear side of the bottom plate 111, and can temporarily store clean water. The first submersible pump is fixed in the water storage tank, the output end of the first submersible pump is communicated with the water spraying hole through the water outlet pipe, and power can be provided for the water flow in the first water storage tank to the water spraying hole. The first submersible pump is electrically connected with the main control board, and the main control board controls the first submersible pump to work. The second water storage tank is also fixed to the top of the rear side of the bottom plate 111, and can temporarily store sewage. The second submersible pump is fixed in the second water storage tank. The water suction nozzle is fixed at the bottom of the rear side of the bottom plate 111 and is communicated with the input end of the second submersible pump through a water suction pipe. The sewage on the ground flows in from the water suction nozzle and flows to the inside of the second water storage tank through the water suction pipe. The second submersible pump can provide power for the inflow of sewage, is electrically connected with the main control board, and is controlled by the main control board to work. Here, it should be noted that a fixing bar is fixed to the bottom of the rear side of the base plate 111. The water absorption mouth is a plurality of, along the axis evenly distributed of fixed strip, and every water absorption mouth all communicates through the input of inhaling water pipe with second immersible pump. In addition, cleaning unit 140 further includes a rotating electrical machine, the axis of the rotating electrical machine is vertically disposed, the output shaft is disposed downward, the bottom end of the housing is fixedly connected to the middle of bottom plate 111, and the bottom end of the output shaft is fixedly connected to the middle of the turntable, so that the turntable can be driven to rotate. The rotating motor is electrically connected with the main control board, and the main control board controls the rotating motor to work. On the whole, cleaning unit 140 can replace the manual work to accomplish the task of cleaning, has improved the efficiency of cleaning of unmanned motor sweeper greatly, has saved the cost of labor.

In an exemplary embodiment of the present invention, the frame 110 further includes a first hood 112, a second hood 113, a third hood, and wheel covers. The first protective cover 112 covers the steering motor 121, the rotating rod 122, the first driving wheel and the first driven wheel 123, so that the steering motor 121, the rotating rod 122, the first driving wheel and the first driven wheel 123 can be protected, the service lives of the steering motor 121, the rotating rod 122, the first driving wheel and the first driven wheel 123 are prolonged, and the safety during operation is improved. The second protective cover 113 covers the first water storage tank, the water outlet pipe, the second water storage tank, the water suction pipe and the water outlet pipe, and can protect the first water storage tank, the water outlet pipe, the second water storage tank, the water suction pipe and the water outlet pipe and prolong the service life of the first water storage tank, the water outlet pipe, the second water storage tank, the water suction pipe and the water outlet pipe. The second action wheel and the second are followed the outside of driving wheel to third protecting hood cover is located, can form the protection to second action wheel and second from the driving wheel, prolongs their life, the security when improving the operation. The wheel cover is provided outside the front wheel 126, and can protect the front wheel 126 and prolong the service life of the front wheel 126.

In an embodiment of the present invention, the top of the front side of the second mask 113 is lower than the top of the rear side by a predetermined height. The top end of the front side of the second protection cover 113 can be used as a seat plate, and the rear side can be used as a backrest, so that an operator can conveniently take the unmanned cleaning vehicle.

In an embodiment of the present invention, the unmanned sweeping vehicle further includes an electric cabinet 160, wherein the electric cabinet 160 is a square hollow structure, and the bottom of the electric cabinet 160 is fixed to the top of the front side of the bottom plate 111. A mounting hole is formed at the upper portion of the front side of the electric cabinet 160. The display screen is fixed in the mounting hole and is electrically connected with the main control panel, and the driving information of the unmanned sweeper can be displayed, so that people can master the running state of the unmanned sweeper. A light hole is formed at the lower portion of the front side of the electric cabinet 160, and a vision camera 151 is fixed in the light hole. The form of placing the vision camera 151 on the front side in the electric appliance cabinet 160 is adopted, so that the service life of the vision camera 151 on the front side is effectively prolonged, and the whole occupied space of the unmanned sweeper is effectively reduced. The left side and the right side of the electrical cabinet 160 are respectively provided with heat dissipation holes, so that heat dissipation is performed inside the electrical cabinet 160, and the working stability of electrical components in the electrical cabinet 160 is effectively improved. A main control board is fixed inside the electric cabinet 160. Therefore, the safety of the unmanned sweeper during working is effectively improved. A laser radar 152 is fixed to the top of the electric cabinet 160. In this manner, the detection efficiency of laser radar 152 is greatly improved. In addition, an openable door panel is provided at the front side of the electric cabinet 160, so that it is convenient to repair and replace electric components inside the electric cabinet 160. The mounting hole is formed in the upper portion of the door plate, and the light-transmitting hole is formed in the lower portion of the door plate. A power supply is fixed inside the electrical cabinet 160 and can respectively supply power to the steering motor 121, the driving motor 133, the brake pump 138, the rotating motor, the first submersible pump, the second submersible pump, the vision camera 151, the laser radar 152, the collision detection strip 153 and the main control panel. The logic program of the main control board controlling the steering unit 120, the driving unit 130, the cleaning unit 140 and the detecting unit to work is the prior art and is not described herein again.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," "one specific embodiment," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the equivalent or modified within the scope of the present invention, the technical solution of the present invention and the concept of the present invention.

Claims

1. An unmanned sweeping vehicle, comprising:

the device comprises a frame, a steering unit, a driving unit, a cleaning unit, a detection unit and a main control panel;

the frame is of a square structure;

the steering unit is arranged on the front side of the frame;

the driving unit is arranged at the rear side of the frame;

the laser radar is fixed at the top of the front side of the frame;

the main control board is arranged on the front side of the frame and is respectively connected with the steering unit, the driving unit, the cleaning unit, the vision camera, the laser radar and the collision detection strip.

2. The unmanned sweeper vehicle of claim 1, wherein the frame includes a floor;

the bottom plate is of a square structure, the top parts of four sides are respectively fixed with one vision camera, and the front side of the bottom plate is provided with a abdicating hole;

the axis of the steering motor is vertically arranged, the output shaft is downwards arranged, and the bottom end of the shell is fixedly connected with the top of the front side of the bottom plate through a support;

the axis of the rotating rod is vertically arranged, and the bottom end of the rotating rod penetrates through the abdicating hole and extends to the lower part of the bottom plate;

the transmission plate is arranged below the bottom plate, the plane of the transmission plate is parallel to the plane of the bottom plate, and the front side of the transmission plate is fixedly connected with the bottom end of the rotating rod;

the two front fork plates are perpendicular to the plane of the bottom plate, and the top ends of the front fork plates are fixedly connected with the left side and the right side of the transmission plate respectively;

and two ends of the front wheel are respectively and rotatably connected with the bottom ends of the two front fork plates.

3. The unmanned sweeper truck of claim 2, wherein the drive unit includes a rear axle mount, a rear axle, a drive motor, a second drive wheel, a second driven wheel, a front sprocket, a rear wheel, a rear sprocket, and a chain;

the two rear axle mounting seats are arranged oppositely and fixedly connected with the bottoms of the left side and the right side of the bottom plate respectively;

the second driving wheel is sleeved on an output shaft of the driving motor;

the two front chain wheels are arranged oppositely, are respectively sleeved at two ends of the rear axle and can rotate along with the rear axle;

the two rear wheels are arranged oppositely, are respectively rotatably connected with the bottoms of the left side and the right side of the bottom plate and are positioned below the rear side of the rear axle;

the two rear chain wheels are arranged oppositely and are respectively fixed on the opposite sides of the two rear wheels; the rear chain wheels on the two sides are in transmission connection with the front chain wheels on the corresponding sides through the chains respectively.

4. The unmanned sweeper truck of claim 2, wherein the sweeping unit comprises a turntable, a first water reservoir, a first submersible pump, a water outlet pipe, a second water reservoir, a second submersible pump, a suction nozzle, and a suction pipe;

the middle part of the rotary table is rotationally connected with the bottom of the middle part of the bottom plate, and the bottom of the rotary table is provided with a water spraying hole and a hairbrush;

the second submersible pump is fixed in the second water storage tank;

the water suction nozzle is fixed at the bottom of the rear side of the bottom plate and is communicated with the input end of the second submersible pump through the water suction pipe.

5. The unmanned sweeper truck of claim 4, wherein the frame further comprises a first protective shield and a second protective shield;

the first protective cover covers the steering motor, the rotating rod, the first driving wheel and the first driven wheel;

the second protective cover covers the first water storage tank, the water outlet pipe, the second water storage tank and the water suction pipe.

6. The unmanned sweeper truck of claim 5, wherein a top end of a front side of the second protective cover is lower than a top end of a rear side by a predetermined height.

7. The unmanned sweeper truck of claim 2, further comprising an electrical cabinet;

the electrical cabinet is hollow, the bottom of the electrical cabinet is fixed to the top of the front side of the bottom plate, the upper part of the front side is provided with a mounting hole, the lower part of the front side is provided with a light transmission hole, the left side and the right side of the electrical cabinet are respectively provided with a heat dissipation hole, the main control plate is fixed inside the electrical cabinet, and the laser radar is fixed at the top of the electrical cabinet;

a display screen is fixed in the mounting hole and connected with the main control board;

and the vision camera is fixed in the light-transmitting hole.